3 Installation Verification
This chapter is about verifying your installation by performing a few simple tests to see that your system is properly installed.
If any of the tests listed below fail, consult the chapter on Corrective Maintenance.
3.1 Installation verification on UNIX
- Start Erlang from the command line,
unix> erlExpect the following output:
Erlang (BEAM) emulator version 4.9 Eshell V4.9 (abort with ^G) 1>Exit by entering the commandhalt()
,
1> halt(). unix>Note: The trailing full stop ("."
) is an end marker for all commands in the Erlang shell, including the commandhalt()
, and must be entered for a command to begin execution.
- Start the Integrated Development Environment from the command line,
erl -xand check that the main window of the pxw-based Integrated Development Environment pops up. Exit the Integrated Development Environment by clicking theFile/Quit
menu.
- Start the gs-based toolbar from the Erlang shell (do not forget to end the command with a full stop as shown),
unix> erl Erlang (BEAM) emulator version 4.9 Eshell V4.9 (abort with ^G) 1> toolbar:start().and check that the toolbar window pops up. Exit by clicking theFile/Quit
menu. Exit Erlang by entering thehalt()
command at the Erlang shell prompt as above.
3.2 Installation verification on Windows NT
- Start Erlang by double-clicking on the Erlang shortcut icon on the desktop.
Expect a command line window to pop up with the following output,
Erlang (BEAM) emulator version 4.9 Eshell V4.9 (abort with ^G) 1>
- Start the gs-based toolbar from the Erlang shell,
1> toolbar:start(). 2>and check that the toolbar window pops up.
Note: The trailing full stop ("."
) is an end marker for all commands in the Erlang shell, and must be entered for a command to begin execution.
- Exit by entering the command
halt()
,
1> halt().which should end both the toolbar window and the command line window.